74304415 has 8 divisors (see below), whose sum is σ = 91062720. Its totient is φ = 58178592.

The previous prime is 74304413. The next prime is 74304449. The reversal of 74304415 is 51440347.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74304415 - 2¹ = 74304413 is a prime.

It is a super-2 number, since 2×74304415² = 11042292176984450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74304413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157860 + ... + 158329.

It is an arithmetic number, because the mean of its divisors is an integer number (11382840).

Almost surely, 2^74304415 is an apocalyptic number.

74304415 is a deficient number, since it is larger than the sum of its proper divisors (16758305).

74304415 is a wasteful number, since it uses less digits than its factorization.

74304415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316241.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 74304415 is about 8620.0008700696. Note that the first 3 decimals coincide. The cubic root of 74304415 is about 420.4085499270.

The spelling of 74304415 in words is "seventy-four million, three hundred four thousand, four hundred fifteen".